/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.seatunnel.connectors.sensorsdata.format.config;

import org.apache.seatunnel.api.configuration.ReadonlyConfig;

import lombok.AllArgsConstructor;
import lombok.Data;

import java.io.Serializable;
import java.util.Collections;
import java.util.List;

@Data
@AllArgsConstructor
public class TargetColumnConfig implements Serializable {

    private String source;

    private String type;

    private String target;

    public TargetColumnConfig() {}

    public TargetColumnConfig(String source, String type) {
        this.source = source;
        this.type = type;
    }

    public String getTarget() {
        return target == null ? source : target;
    }

    public static List<TargetColumnConfig> of(ReadonlyConfig connectorConfig) {
        if (connectorConfig.getOptional(SensorsDataOptions.TARGET_COLUMNS).isPresent()) {
            return connectorConfig.get(SensorsDataOptions.TARGET_COLUMNS);
        } else {
            return Collections.emptyList();
        }
    }
}
